trộn 250ml dd hỗn hợp gồm HCl 0,08M và H2SO4 0,016M với 250mk dd Ba(OH)2 có nồng độ xM thu được m gam kết tủa và 500ml dd Y có pH= 12. Tìm giá trị của m và x

In the analysis of hair and fiber samples, which does a compound comparison microscope allow for that a conventional compound microscope does not? a. simultaneous observation b. polarization c. fluorescence d. higher magnification

Calculate: select the worksheet tab. this tab you calculate the analyte concentration.  fill in the first set of boxes ("moles h2so4" and "moles naoh") based on the coefficients in the balanced equation. (if there is no coefficient, the value is 1.)  record the appropriate volumes in the "ml naoh" and "ml h2so4" boxes.  record the concentration of the titrant in the m naoh box. click calculate. what is the concentration listed

What is the polyatamic ion of thiosulfate